Technical Information
To ensure autorun and distribution
Modifies the following registry keys
- [<HKCU>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'Microsoft Essentials' = '%TEMP%\taskmgr.exe'
Modifies file system
Creates the following files
- %TEMP%\hwcpha4j.0.cs
- %TEMP%\hwcpha4j.cmdline
- %TEMP%\hwcpha4j.out
- %TEMP%\csceb41.tmp
- %TEMP%\reseb42.tmp
- %TEMP%\ɯȝƀƈƴ.exe
- %TEMP%\vbc.exe
- %TEMP%\taskmgr.exe
- %TEMP%\user2.txt
- %APPDATA%\userlog.dat
- %TEMP%\user7
- %TEMP%\user8
Sets the 'hidden' attribute to the following files
- %APPDATA%\userlog.dat
Deletes the following files
- %TEMP%\reseb42.tmp
- %TEMP%\csceb41.tmp
- %TEMP%\hwcpha4j.0.cs
- %TEMP%\hwcpha4j.out
- %TEMP%\hwcpha4j.cmdline
- %TEMP%\user2.txt
- %TEMP%\user8
- %TEMP%\user7
Substitutes the following files
- %TEMP%\user8
- %TEMP%\user7
Network activity
UDP
- DNS ASK ha####.no-ip.biz
Miscellaneous
Creates and executes the following
- '%TEMP%\ɯȝƀƈƴ.exe'
- '%TEMP%\vbc.exe'
- '%WINDIR%\microsoft.net\framework\v2.0.50727\csc.exe' /noconfig /fullpaths @"%TEMP%\hwcpha4j.cmdline"' (with hidden window)
- '%WINDIR%\microsoft.net\framework\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RESEB42.tmp" "%TEMP%\CSCEB41.tmp"' (with hidden window)
Executes the following
- '%WINDIR%\microsoft.net\framework\v2.0.50727\csc.exe' /noconfig /fullpaths @"%TEMP%\hwcpha4j.cmdline"
- '%WINDIR%\microsoft.net\framework\v2.0.50727\cvtres.exe' /NOLOGO /READONLY /MACHINE:IX86 "/OUT:%TEMP%\RESEB42.tmp" "%TEMP%\CSCEB41.tmp"
- '%ProgramFiles(x86)%\internet explorer\iexplore.exe'
